624.24% is the change from 66 to 478
Calculation steps:
[( 478 - 66 ) ÷ 66] x 100 = 624.24%
Formula
Percentage change = [(478 - 66) / 66] x 100
Subtract the new number by the original number
478 - 66 = 412
412 ÷ 66 = 6.242424242424242
6.242424242424242 x 100 = 624.24%